A.3.1
Descriptions of Window Components
A-22
•
Velocity factor
The velocity factor used for calculating electrical length. The initial value is 1.
•
Phase correction amount (deg)
L
φ
= S
×
f
×
360 +
θ
=
×
f
×
360 +
θ
vf
×
c
S: Electrical length correction value (time)
f: Frequency at each measurement point
L: Electrical length correction value (distance)
vf: Velocity factor
θ
: Phase offset
c: Speed of light
Func
Figure A-27 Analysis Function Area